Engine exhaust, industry, domestic heating, volcanic eruptions are all sources of: a) ozone b) sulfur dioxide c) carbon dioxide d) cfcs

Which example is a indication of stress a. becoming more alert b. narrowing air passages c. slowing down if the heartbeat d. decreasing blood sugar with adrenaline

Why is important to cover your hands and feet in cold weather? a. they are furthest from your heart. b. they are often last to receive blood flow. c. they can suffer from tissue damage in cold weather. d. all of the above

Your an average, moderately active adult female . therefore , you should consume approximately calories and 60 grams of fat.